Remove some BUI boilerplate (#28399)

* Remove some BUI boilerplate

- The disposals overrides got removed due to the helper method handling it.
- Replace window creation with CreateWindow helper.
- Fixed some stinky code which would cause exceptions.

* More

* moar

* weh

* done

* More BUIs

* More updates

* weh

* moar

* look who it is

* weh

* merge

* weh

* fixes

Content.Client/Ame/UI/AmeControllerBoundUserInterface.cs

@@ -1,5 +1,6 @@
 using Content.Shared.Ame.Components;
 using JetBrains.Annotations;
+using Robust.Client.UserInterface;
 
 namespace Content.Client.Ame.UI
 {
@@ -16,9 +17,8 @@ namespace Content.Client.Ame.UI
         {
             base.Open();
 
-            _window = new AmeWindow(this);
-            _window.OnClose += Close;
-            _window.OpenCentered();
+            _window = this.CreateWindow<AmeWindow>();
+            _window.OnAmeButton += ButtonPressed;
         }
 
         /// <summary>
@@ -40,15 +40,5 @@ namespace Content.Client.Ame.UI
         {
             SendMessage(new UiButtonPressedMessage(button));
         }
-
-        protected override void Dispose(bool disposing)
-        {
-            base.Dispose(disposing);
-
-            if (disposing)
-            {
-                _window?.Dispose();
-            }
-        }
     }
 }